110505005655 has 32 divisors (see below), whose sum is σ = 193860615168. Its totient is φ = 53306198400.

The previous prime is 110505005647. The next prime is 110505005659. The reversal of 110505005655 is 556500505011.

It is not a de Polignac number, because 110505005655 - 2³ = 110505005647 is a prime.

It is a super-2 number, since 2×110505005655² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110505005659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1667311 + ... + 1732320.

It is an arithmetic number, because the mean of its divisors is an integer number (6058144224).

Almost surely, 2^110505005655 is an apocalyptic number.

110505005655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

110505005655 is a deficient number, since it is larger than the sum of its proper divisors (83355609513).

110505005655 is a wasteful number, since it uses less digits than its factorization.

110505005655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399847.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 110505005655 in words is "one hundred ten billion, five hundred five million, five thousand, six hundred fifty-five".